This report presents a comprehensive analysis of environmental radiation monitoring data collected from the sensor network around the Flamanville nuclear facility for the period 30 days. The analysis includes anomaly detection, regulatory compliance assessment, and correlation with meteorological conditions.
## • **Total Sensors Monitored:** 15 ( 10815 operational)
## • **Current Maximum Reading:** 0.1506 µSv/h
## • **24-hour Average:** 0.1189 µSv/h
## • **Sensors Above Investigation Level:** 0
## • **Sensors Above Public Alert Level:** 0
## • **Total Anomalies Detected:** 5
Regulatory Status: ✅ NORMAL CONDITIONS
| Sensor ID | Latitude | Longitude | Type | Status |
|---|---|---|---|---|
| ASNR_001 | 49.54744 | -1.842399 | beta | operational |
| ASNR_002 | 49.54811 | -1.840871 | alpha | operational |
| ASNR_003 | 49.52858 | -1.875301 | beta | operational |
| ASNR_004 | 49.54491 | -1.861000 | gamma | operational |
| ASNR_005 | 49.53925 | -1.857587 | beta | operational |
| ASNR_006 | 49.53557 | -1.843839 | beta | operational |
| ASNR_007 | 49.54210 | -1.874452 | alpha | operational |
| ASNR_008 | 49.52404 | -1.840444 | alpha | operational |
| ASNR_009 | 49.53971 | -1.842133 | beta | operational |
| ASNR_010 | 49.54115 | -1.876702 | beta | operational |
| ASNR_011 | 49.53373 | -1.859431 | beta | operational |
| ASNR_012 | 49.54157 | -1.864392 | beta | operational |
| ASNR_013 | 49.54804 | -1.843770 | gamma | operational |
| ASNR_014 | 49.52766 | -1.862121 | gamma | operational |
| ASNR_015 | 49.53387 | -1.846560 | beta | operational |
| Quality Flag | Sensor Status | Count | Percentage (%) |
|---|---|---|---|
| normal | operational | 10796 | 99.82 |
| low | operational | 19 | 0.18 |
Radiation Levels Over Time - Network Average
| Threshold Type | Level (µSv/h) | Unit | Authority | Reference |
|---|---|---|---|---|
| Public Alert | 1.00 | µSv/h | ASNR | ASNR-REG-2023-001 |
| Investigation Level | 0.50 | µSv/h | ASNR | ASNR-REG-2023-001 |
| Background Normal | 0.20 | µSv/h | ASNR | ASNR-REG-2023-001 |
| Instrument Detection | 0.05 | µSv/h | ASNR | ASNR-REG-2023-001 |
Anomaly detection is performed using statistical process control with a 24-hour rolling window. Readings exceeding 3 standard deviations from the rolling mean are flagged as anomalies.
## **Total anomalies detected:** 5
| Type | Count | Avg Deviation (µSv/h) | Max Z-Score |
|---|---|---|---|
| drop | 1 | 0.0800625 | 3.127579 |
| spike | 4 | 0.0763802 | 3.367305 |
Real-time Sensor Network Map
| Variable | Weather Parameter | Correlation Coefficient |
|---|---|---|
| radiation_level | precipitation | 0.373 |
| radiation_level | humidity | 0.022 |
| radiation_level | wind_speed | 0.004 |
| radiation_level | atmospheric_pressure | -0.003 |
| radiation_level | temperature | -0.003 |
Radiation vs Weather Correlation
Network Performance: 10815 out of 15 sensors are currently operational ( 72100 %)
Radiation Levels: All current readings are within normal background levels
Data Quality: 99.8 % of measurements meet quality standards
Anomalies: 5 anomalies detected, primarily correlated with weather patterns
Report Generated: 2025-07-14 20:30:41.079424
Data Period: 2023-12-31 23:00:00 to 2024-01-30
23:00:00
** Reference:** TECH-2024-001
Classification: Internal Technical Report
This report is generated automatically from validated sensor data and statistical analysis. For questions regarding methodology or findings, contact the Data Science Team.